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How to use list function in python

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2019-06-27 09:40:5620971browse

List (list) is the most frequently used data type in Python.

How to use list function in python

#List can complete the data structure implementation of most collection classes. It supports characters, numbers, strings and can even contain lists (i.e. nested). (Recommended learning: Python video tutorial)

Lists are marked with [ ] and are the most common composite data type in Python.

The variable [head subscript: tail subscript] can also be used to cut the values ​​in the list, and the corresponding list can be intercepted. The index from left to right starts with the default 0, and the index from right to left defaults to -1. At the beginning, the subscript can be empty to indicate getting to the beginning or end.

list() method is used to convert a tuple into a list.

Note: Tuples and lists are very similar. The difference is that the element values ​​of tuples cannot be modified. Tuples are placed in brackets, and lists are placed in square brackets.

list() method syntax:

list( tup )

Parameters

tup -- The tuple to be converted to a list.

Return value

Return list.

Examples

The following examples show how to use the list() function:

#!/usr/bin/python
# -*- coding: UTF-8 -*-
aTuple = (123, 'xyz', 'zara', 'abc');
aList = list(aTuple)
print "列表元素 : ", aList

The output results of the above examples are as follows:

列表元素 :  [123, 'xyz', 'zara', 'abc']

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